13y+14=12y+8y-21

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Solution for 13y+14=12y+8y-21 equation:



13y+14=12y+8y-21
We move all terms to the left:
13y+14-(12y+8y-21)=0
We add all the numbers together, and all the variables
13y-(20y-21)+14=0
We get rid of parentheses
13y-20y+21+14=0
We add all the numbers together, and all the variables
-7y+35=0
We move all terms containing y to the left, all other terms to the right
-7y=-35
y=-35/-7
y=+5

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